.eslintrc

{
    "parser": "babel-eslint",
    "ecmaFeatures": {
        "arrowFunctions": true,
        "blockBindings": true,
        "classes": true,
        "defaultParams": true,
        "modules": true,
        "objectLiteralShorthandMethods": true,
        "objectLiteralShorthandProperties": true,
        "restParams": true,
        "spread": true,
        "superInFunctions": true,
        "templateStrings": true
    },
    "env": {
        "browser": true,
        "es6": true
    },
    "rules": {
        "accessor-pairs": 1,
        "curly": [1, "multi-line"],
        "quotes": [1, "single"],
        "new-cap": [2, {"newIsCap": true, "capIsNew": false}],
        "no-mixed-spaces-and-tabs": [2, "smart-tabs"],
        "no-var": 2,
        "no-else-return": 2,
        "semi": 1,
        "no-unused-vars": 1,
        "no-multiple-empty-lines": [1, {"max": 2}],
        "no-underscore-dangle": 0,
        "constructor-super": 2,
        "no-this-before-super": 2,
        "no-dupe-class-members": 2,
        "object-shorthand": 1,
        "prefer-arrow-callback": 1,
        "prefer-spread": 1,
    }
}